(19)

(11)

EP 1 236 277 A1

(12)

(43) Date of publication: 04.09.2002 Bulletin 2002/36 (21) Application number: 00984532.2 (22) Date of filing: 17.10.2000

(51) International Patent Classification (IPC)7: H03K 5/19, G01R 29/027 (86) International application number: PCT/US0041/227 (87) International publication number: WO 0103/7427 (25.05.2001 Gazette 2001/21)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 19.11.1999 US 444001 (71) Applicant: ATMEL CORPORATION San Jose,California 95131 (US)	(72) Inventor: BRACMARD, Gaetan, J., J. F-13710 Fuveau (FR) (74) Representative: Käck, Jürgen  Kahler, Käck, Fiener,Vorderer Anger 239 86899 Landsberg/Lech 86899 Landsberg/Lech (DE)